19983520

素因数分解:

$2^5\times 5^1\times {\mathrm{124897}}^1$

素因数の和:124912

約数の個数: 24

約数和(自身を含む): 47211444

約数和(自身を除く): 27227924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124897, 249794, 499588, 624485, 999176, 1248970, 1998352, 2497940, 3996704, 4995880, 9991760, 19983520]

約数ペア:

[(1, 19983520), (2, 9991760), (4, 4995880), (5, 3996704), (8, 2497940), (10, 1998352), (16, 1248970), (20, 999176), (32, 624485), (40, 499588), (80, 249794), (160, 124897)]